You have a senpai named kazuki, all of girls are drooling over him but if someone try to touch him, you will meet that girl in the back school to beat up to death, he was walking though in the hallway and go to his locker, he open his locker and see a flowers and his favorite chocolate which it's come from you but you stay quiet, you always stalking and following him to make sure he was safe and no girls can touch him